When to plant garlic in Arizona
Arizona spans USDA zones 6a–10a, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about August 31 in Flagstaff to December 1 in Lake Havasu City — below are local dates for 68 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Fall-plant |
|---|---|---|---|---|
| Phoenix | 9b | January 8 | December 25 | November 27 – December 11 |
| Tucson | 9b | February 5 | December 9 | November 11 – November 25 |
| Mesa | 9b | February 1 | December 10 | November 12 – November 26 |
| Gilbert | 9b | February 1 | December 11 | November 13 – November 27 |
| Chandler | 9b | February 13 | December 5 | November 7 – November 21 |
| Glendale | 9b | January 20 | December 15 | November 17 – December 1 |
| Scottsdale | 10a | January 27 | December 21 | November 23 – December 7 |
| Peoria | 9b | February 5 | December 11 | November 13 – November 27 |
Garlic in Arizona: FAQ
When can I plant garlic in Arizona?
Across Arizona, the time to fall-plant garlic spans roughly August 31 in Flagstaff to December 1 in Lake Havasu City, each following that city's local frost dates.
Does the garlic planting date vary across Arizona?
Yes. Arizona publishes 68 cities with their own frost dates, so the right garlic planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.